Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (3rd Edition)

by
Knight, Randall D.

Published by
Pearson

ISBN 10:
0321740904

ISBN 13:
978-0-32174-090-8

Chapter 21 - Superposition - Conceptual Questions: 4

Answer

The pipe's frequency increases.

Work Step by Step

The speed of sound increases as the temperature increases. We know that $v = f~\lambda$. Since we are using the same pipe, the wavelength does not change. Therefore, if the speed $v$ increases, the pipe's frequency must increase.